{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Together , the data suggest that sigma2 receptor antagonists have the potential to attenuate some of the behavioral effects of cocaine , and further development of more selective , high affinity ligands are warranted ."}
{"Chemical": ["cocaine"], "Disease": []}